What do “cat” and “-d” mean in the following code?
Is a UNIX shell command to print the contents of a file. For example:
This will print the contents of the test.txt file.
As for the
Is a command for rviz that indicates RVIZ to load from a certain previously saved .rviz file. This allows it to open with laser elements, camera or certain tfs selected. Is the default way of laoding rviz with a file.